1011012263 has 2 divisors, whose sum is σ = 1011012264. Its totient is φ = 1011012262.

The previous prime is 1011012251. The next prime is 1011012271. The reversal of 1011012263 is 3622101101.

1011012263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011012263 - 2¹⁸ = 1010750119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011012283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505506131 + 505506132.

It is an arithmetic number, because the mean of its divisors is an integer number (505506132).

Almost surely, 2^1011012263 is an apocalyptic number.

1011012263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011012263 is an equidigital number, since it uses as much as digits as its factorization.

1011012263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1011012263 is about 31796.4190279346. The cubic root of 1011012263 is about 1003.6573617312.

Adding to 1011012263 its reverse (3622101101), we get a palindrome (4633113364).

The spelling of 1011012263 in words is "one billion, eleven million, twelve thousand, two hundred sixty-three".